component
MX1112AS
Public Made by Adomby adom
Wuxi Maxinmicro AC-DC Controllers And Regulators, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609
{
"schema_version": 1,
"type": "component",
"slug": "mx1112as",
"title": "MX1112AS",
"brief": "Wuxi Maxinmicro AC-DC Controllers And Regulators, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
"tags": [
"component",
"power management (pmic)",
"mx1112as",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "MX1112AS",
"manufacturer": "Wuxi Maxinmicro",
"package": "SOP-8",
"pin_count": 8,
"category": "Power Management (PMIC)",
"subcategory": "AC-DC Controllers And Regulators",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/858a59abd435da0ba2c4a6bd87bd5e3e.pdf",
"parts": {
"symbol": "mx1112as.kicad_sym",
"footprint": "mx1112as.kicad_mod",
"model_3d": "mx1112as-hero.glb",
"model_3d_plain": "mx1112as-etched.glb",
"model_3d_step": "mx1112as-etched.step",
"model_3d_step_plain": "mx1112as.step",
"lbr": "mx1112as.lbr"
},
"distributor_links": {
"lcsc": "C5341116"
},
"distributor_check": {
"checked_at": "2026-10-26T15:11:59Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "VDD",
"type": "power_in",
"description": "Power supply pin; the recommended VDD supply range is 9-24V, the absolute maximum VDD voltage is 30V, and the device has UVLO between 7.0-9.0V (on) and 16.2-17.8V (off)."
},
{
"number": "2",
"name": "GND",
"type": "power_in",
"description": "Ground pin."
},
{
"number": "3",
"name": "FB",
"type": "input",
"description": "Input and output voltage are sensed from the auxiliary winding through a resistor divider; the FB input voltage is rated -0.3 to 7V and the feedback reference Vref_FB is 2.475-2.525V."
},
{
"number": "4",
"name": "CS",
"type": "input",
"description": "Current sense pin, with a sense resistor to ground used for cycle-by-cycle current limiting; the CS input voltage is rated -0.3 to 7V and the over current protection threshold is 485-515mV."
},
{
"number": "5",
"name": "Drain",
"type": "passive",
"description": "Drain of the internal power MOSFET, which connects to the primary winding of the transformer; the drain off-state voltage is 650V."
},
{
"number": "6",
"name": "Drain",
"type": "passive",
"description": "Drain of the internal power MOSFET, which connects to the primary winding of the transformer; the drain off-state voltage is 650V."
},
{
"number": "7",
"name": "Drain",
"type": "passive",
"description": "Drain of the internal power MOSFET, which connects to the primary winding of the transformer; the drain off-state voltage is 650V."
},
{
"number": "8",
"name": "Drain",
"type": "passive",
"description": "Drain of the internal power MOSFET, which connects to the primary winding of the transformer; the drain off-state voltage is 650V."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-haiku-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [],
"pages_sent": 10,
"cost_usd": 0.0401,
"at": "2026-10-26T15:11:42"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/858a59abd435da0ba2c4a6bd87bd5e3e.pdf",
"pages": 10,
"sha256": "3f26972f96a3e7f6",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 8,
"described": 8,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "mx1112as.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6,
4.9,
1.75
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
"checked": "2026-10-26",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "mx1112as-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6,
4.9,
1.75
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "73d60def0528ac17f29ba36837721011a5dbde49f02de0cec80111a55dd558fa",
"checked": "2026-10-26",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Wuxi Maxinmicro",
"Package": "SOP-8",
"Category": "Power Management (PMIC)",
"Pins": "8"
},
"appearance": {
"contacts": {
"quote": "Note: Drain Pin Connected to 200mm2 PCB copper clad.",
"page": 2,
"doc": "ds.pdf",
"material": "copper"
},
"version": 1,
"datasheet_sha256": "3f26972f96a3e7f65fab5763e4e3e82b4deed22745895f1ba5590fd40adf7e63"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "3f26972f96a3e7f65fab5763e4e3e82b4deed22745895f1ba5590fd40adf7e63",
"rows": [
{
"name": "UVLO exit threshold (VDD under voltage lockout exit)",
"symbol": "UVLO_OFF",
"kind": "electrical",
"unit": "V",
"min": 16.2,
"typ": 17,
"max": 17.8,
"conditions": "TA=25℃, VDD=19V unless noted",
"source_page": 4,
"source": "datasheet"
},
{
"name": "VDD under voltage lockout enter",
"symbol": "UVLO_ON",
"kind": "electrical",
"unit": "V",
"min": 7,
"typ": 8,
"max": 9,
"conditions": "TA=25℃, VDD=19V unless noted",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Over voltage protection voltage",
"symbol": "V_OVP",
"kind": "electrical",
"unit": "V",
"min": 25,
"typ": 27,
"max": 29,
"conditions": "TA=25℃, VDD=19V unless noted",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Reference voltage for FB threshold",
"symbol": "Vref_FB",
"kind": "electrical",
"unit": "V",
"min": 2.475,
"typ": 2.5,
"max": 2.525,
"conditions": "TA=25℃, VDD=19V unless noted",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Minimum frequency",
"symbol": "FOSC_MIN",
"kind": "electrical",
"unit": "Hz",
"min": 400,
"typ": 445,
"max": 490,
"conditions": "TA=25℃, VDD=19V unless noted",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Maximum cable compensation current",
"symbol": "I_CABLE",
"kind": "electrical",
"unit": "μA",
"min": 44,
"typ": 48,
"max": 52,
"conditions": "TA=25℃, VDD=19V unless noted",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Over current protection threshold",
"symbol": "VCS",
"kind": "electrical",
"unit": "mV",
"min": 485,
"typ": 500,
"max": 515,
"conditions": "TA=25℃, VDD=19V unless noted",
"source_page": 4,
"source": "datasheet"
},
{
"name": "VDD normal operation current",
"symbol": "I_VDD",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 0.65,
"max": 1,
"conditions": "TA=25℃, VDD=19V unless noted",
"source_page": 4,
"source": "datasheet"
},
{
"name": "VDD startup current",
"symbol": "I startup",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": 5,
"max": 20,
"conditions": "VDD=UVLO_OFF-1V; TA=25℃, VDD=19V unless noted",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Maximum VDD voltage",
"symbol": "VDD_MAX",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 25,
"conditions": "TA=25℃, VDD=19V unless noted",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Minimum off time",
"symbol": "TOFF_MIN",
"kind": "electrical",
"unit": "μs",
"min": 2,
"typ": null,
"max": null,
"conditions": "TA=25℃, VDD=19V unless noted",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Maximum frequency",
"symbol": "FOSC_MAX",
"kind": "electrical",
"unit": "kHz",
"min": null,
"typ": null,
"max": 72,
"conditions": "TA=25℃, VDD=19V unless noted",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Maximum over current threshold",
"symbol": "VCS_MAX",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": null,
"max": 590,
"conditions": "TA=25℃, VDD=19V unless noted",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Over current threshold at light load",
"symbol": "VCS_MIN",
"kind": "electrical",
"unit": "mV",
"min": 170,
"typ": null,
"max": null,
"conditions": "TA=25℃, VDD=19V unless noted",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Drain to Source breakdown voltage",
"symbol": "VDS",
"kind": "electrical",
"unit": "V",
"min": 650,
"typ": null,
"max": null,
"conditions": "TA=25℃, VDD=19V unless noted",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Static Drain to Source on resistance",
"symbol": "RDS_ON",
"kind": "electrical",
"unit": "Ω",
"min": null,
"typ": 3.5,
"max": 4.1,
"conditions": "TA=25℃, VDD=19V unless noted",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Internal over temperature protection threshold",
"symbol": "OTP_in",
"kind": "electrical",
"unit": "℃",
"min": null,
"typ": 145,
"max": null,
"conditions": "TA=25℃, VDD=19V unless noted",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Leading edge blanking time",
"symbol": "T_LEB",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": 300,
"max": null,
"conditions": "TA=25℃, VDD=19V unless noted",
"source_page": 4,
"source": "datasheet"
},
{
"name": "OCP propagation delay time",
"symbol": "Td_OCP",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": 100,
"max": null,
"conditions": "TA=25℃, VDD=19V unless noted",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Drain Voltage (off state)",
"symbol": "",
"kind": "absolute_maximum",
"unit": "",
"min": null,
"typ": null,
"max": 650,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "VDD Voltage",
"symbol": "VDD",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 30,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "FB Input Voltage",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 7,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "CS Input Voltage",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 7,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Operating Junction Temperature",
"symbol": "TJ",
"kind": "absolute_maximum",
"unit": "℃",
"min": -40,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Storage Temperature",
"symbol": "TSTG",
"kind": "absolute_maximum",
"unit": "℃",
"min": -55,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "ESD (HBM)",
"symbol": "",
"kind": "absolute_maximum",
"unit": "kV",
"min": -2,
"typ": null,
"max": 2,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Lead Temperature (Soldering)",
"symbol": "",
"kind": "absolute_maximum",
"unit": "℃",
"min": null,
"typ": null,
"max": 260,
"conditions": "Soldering, 10 secs",
"source_page": 2,
"source": "datasheet"
},
{
"name": "VDD supply voltage",
"symbol": "VDD",
"kind": "recommended_operating",
"unit": "V",
"min": 9,
"typ": null,
"max": 24,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Power dissipation",
"symbol": "PD",
"kind": "recommended_operating",
"unit": "W",
"min": null,
"typ": null,
"max": 1.1,
"conditions": "TA=25℃",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Output power",
"symbol": "",
"kind": "recommended_operating",
"unit": "W",
"min": null,
"typ": null,
"max": 13,
"conditions": "Charger or adapter full AC input",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Package thermal resistance, junction to ambient (SOP8)",
"symbol": "RθJA",
"kind": "thermal",
"unit": "℃/W",
"min": null,
"typ": 90,
"max": null,
"conditions": "Drain pin connected to 200mm2 PCB copper clad",
"source_page": 2,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"mx1112as"
],
"discovery_pitch": "MX1112AS (Wuxi Maxinmicro) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"mx1112as.kicad_sym",
"mx1112as.kicad_mod",
"mx1112as.glb",
"mx1112as.step",
"mx1112as.lbr",
"docs/hero.png",
"docs/mx1112as-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"mx1112as-hero.glb",
"mx1112as-hero.overlay.json",
"mx1112as-etched.glb"
],
"visibility": {
"public": true
}
}